PoC: Use Eclipse b3 aggregator to create maven library from Trace Compass Eclipse plug-ins (CTF)

doc/org.eclipse.tracecompass.maven.example/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.m2e.MAVEN2_CLASSPATH_CONTAINER">
+		<attributes>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/classes" path="src">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="output" path="target/classes"/>
+</classpath>

doc/org.eclipse.tracecompass.maven.example/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.tracecompass.maven.example</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.m2e.core.maven2Builder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.m2e.core.maven2Nature</nature>
+	</natures>
+</projectDescription>

doc/org.eclipse.tracecompass.maven.example/.settings/org.eclipse.m2e.core.prefs

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+activeProfiles=
+eclipse.preferences.version=1
+resolveWorkspaceProjects=true
+version=1

doc/org.eclipse.tracecompass.maven.example/README

@@ -0,0 +1,10 @@
+Example using maven dependencies build with b3 aggregator in 
+project org.eclipse.tracecompass.aggregation. Right now the maven repository
+is expected to be in ${user.home}/build/final
+
+Note: Fix TODOs The pom.xml and MyTest.java to build and run example.
+
+To build:
+> mvn clean install
+To run
+> mvn exec:exec

doc/org.eclipse.tracecompass.maven.example/pom.xml

@@ -0,0 +1,107 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+    <groupId>org.eclipse.tracecompass</groupId>
+    <artifactId>org.eclipse.tracecompass.maven.example</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>Trace Compass Maven Example</name>
+
+  <repositories>
+    <repository>
+      <id>my-repo</id>
+      <!-- TODO fix path -->
+      <url>file:/home/user/git/org.eclipse.tracecompass/releng/org.eclipse.tracecompass.aggregation/target/final/</url>
+    </repository>
+  </repositories>
+
+  <build>
+    <sourceDirectory>src</sourceDirectory>
+    <plugins>
+      <plugin>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.6.1</version>
+        <configuration>
+          <source>17</source>
+          <target>17</target>
+        </configuration>
+      </plugin>
+    <plugin>
+      <!-- Build an executable JAR -->
+      <groupId>org.apache.maven.plugins</groupId>
+      <artifactId>maven-jar-plugin</artifactId>
+      <version>3.1.0</version>
+      <configuration>
+        <archive>
+          <manifest>
+            <addClasspath>true</addClasspath>
+            <classpathPrefix>lib/</classpathPrefix>
+            <mainClass>org.eclipse.tracecompass.maven.example.MyTest</mainClass>
+          </manifest>
+        </archive>
+      </configuration>
+    </plugin>
+ 	<plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>exec-maven-plugin</artifactId>
+        <configuration>
+          <executable>java</executable>
+          <arguments>
+            <argument>-Xms512m</argument>
+            <argument>-Xmx512m</argument>
+            <argument>-classpath</argument>
+            <classpath/>
+            <argument>org.eclipse.tracecompass.maven.example.MyTest</argument>
+          </arguments>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+  <dependencies>
+	<dependency>
+ 	 	<groupId>org.eclipse.tracecompass</groupId>
+  		<artifactId>org.eclipse.tracecompass.ctf.core</artifactId>
+	</dependency>
+	<dependency>
+        <groupId>org.antlr</groupId>
+        <artifactId>antlr-runtime</artifactId>
+        <version>3.2</version>
+    </dependency>
+    <dependency>
+        <groupId>com.google.code.gson</groupId>
+        <artifactId>gson</artifactId>
+        <version>2.8.9</version>
+    </dependency>
+    <dependency>
+        <groupId>com.google.guava</groupId>
+        <artifactId>guava</artifactId>
+        <version>32.1.0-jre</version>
+    </dependency>
+    <!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
+    <dependency>
+        <groupId>commons-io</groupId>
+        <artifactId>commons-io</artifactId>
+        <version>2.18.0</version>
+    </dependency>
+    <!-- https://mvnrepository.com/artifact/org.json/json -->
+    <dependency>
+        <groupId>org.json</groupId>
+        <artifactId>json</artifactId>
+        <version>20230227</version>
+    </dependency>
+    <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
+    <dependency>
+        <groupId>org.apache.commons</groupId>
+        <artifactId>commons-lang3</artifactId>
+        <version>3.17.0</version>
+    </dependency>
+  </dependencies>
+  <dependencyManagement>
+    <dependencies>
+        <dependency>
+            <groupId>org.eclipse.tracecompass</groupId>
+            <artifactId>org.eclipse.tracecompass.ctf.core</artifactId>
+            <version>4.7.0</version>
+            </dependency>
+        </dependencies>
+  </dependencyManagement>
+</project>

doc/org.eclipse.tracecompass.maven.example/src/org/eclipse/tracecompass/maven/example/MyTest.java

@@ -0,0 +1,37 @@
+/*******************************************************************************
+ * Copyright (c) 2023 Ericsson
+ *
+ * All rights reserved. This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0 which
+ * accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+
+package org.eclipse.tracecompass.maven.example;
+
+import org.eclipse.tracecompass.ctf.core.CTFException;
+import org.eclipse.tracecompass.ctf.core.event.IEventDefinition;
+import org.eclipse.tracecompass.ctf.core.trace.CTFTrace;
+import org.eclipse.tracecompass.ctf.core.trace.CTFTraceReader;
+
+public class MyTest {
+    public static void main(String[] args) {
+        try {
+            // TODO Fix path
+            CTFTrace trace = new CTFTrace("/home/user/git/tracecompass-test-traces/ctf/src/main/resources/trace2/");
+            try (CTFTraceReader traceReader = new CTFTraceReader(trace);) {
+
+                while (traceReader.hasMoreEvents()) {
+                    IEventDefinition ed = traceReader.getCurrentEventDef();
+                    /* Do something with the event */
+                    System.out.println(ed.toString());
+                    traceReader.advance();
+                }
+            }
+        } catch (CTFException e) {
+            e.printStackTrace();
+        }
+    }
+}

releng/org.eclipse.tracecompass.aggregation/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.tracecompass.aggregation</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+	</buildSpec>
+	<natures>
+	</natures>
+</projectDescription>

releng/org.eclipse.tracecompass.aggregation/README

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+This project creates an maven repository with all dependencies needed for
+Trace Compass CTF core and parser plug-in installed. The location of the
+generated maven repository by default is 
+releng/org.eclipse.tracecompass.aggregation/target/final. 
+
+This can be changed in the tracecompass.aggr file.
+
+Install Eclipse CBI aggregator, e.g. using update site (or later version):
+http://download.eclipse.org/cbi/updates/aggregator/ide/4.13/
+
+It can be separately built by the following commands:
+cd releng/org.eclipse.tracecompass.aggregation
+mvn clean install
+
+Follow instructions on:
+https://wiki.eclipse.org/CBI/aggregator/manual

releng/org.eclipse.tracecompass.aggregation/pom.xml

@@ -0,0 +1,86 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <!--
+  /*******************************************************************************
+  * Copyright (c) 2015, 2019 Efficios Inc. and others
+  * All rights reserved. This program and the accompanying materials
+  * are made available under the terms of the Eclipse Public License 2.0
+  * which accompanies this distribution, and is available at
+  * https://www.eclipse.org/legal/epl-2.0/
+  *
+  * SPDX-License-Identifier: EPL-2.0
+  *******************************************************************************/
+-->
+  <modelVersion>4.0.0</modelVersion>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <parent>
+    <artifactId>org.eclipse.tracecompass.releng-parent</artifactId>
+    <groupId>org.eclipse.tracecompass</groupId>
+    <version>10.3.0-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>org.eclipse.tracecompass.aggregation</artifactId>
+  <packaging>pom</packaging>
+
+  <build>
+    <defaultGoal>clean resources:resources verify</defaultGoal>
+    <resources>
+      <resource>
+        <directory>aggr</directory>
+        <filtering>true</filtering>
+      </resource>
+    </resources>
+    <plugins>
+      <plugin>
+        <groupId>org.eclipse.tycho</groupId>
+        <artifactId>tycho-maven-plugin</artifactId>
+        <version>${tycho-version}</version>
+        <extensions>true</extensions>
+      </plugin>
+      <plugin>
+        <groupId>org.eclipse.tycho.extras</groupId>
+        <artifactId>tycho-eclipserun-plugin</artifactId>
+        <executions>
+          <execution>
+            <goals>
+              <goal>eclipse-run</goal>
+            </goals>
+            <phase>package</phase>
+          </execution>
+        </executions>
+        <configuration>
+          <!-- DO NOT FORMAT THE FOLLOWING LINE, IT MUST BE ON ONE LINE -->
+          <appArgLine>-application org.eclipse.cbi.p2repo.cli.headless aggregate --buildModel tracecompass.aggr</appArgLine>
+          <dependencies>
+            <dependency>
+              <artifactId>org.eclipse.cbi.p2repo.aggregator.engine.feature</artifactId>
+              <type>eclipse-feature</type>
+            </dependency>
+            <dependency>
+              <artifactId>org.eclipse.equinox.core.feature</artifactId>
+              <type>eclipse-feature</type>
+            </dependency>
+            <dependency>
+              <artifactId>org.eclipse.equinox.p2.core.feature</artifactId>
+              <type>eclipse-feature</type>
+            </dependency>
+          </dependencies>
+          <repositories>
+            <repository>
+              <id>cbi-aggregator</id>
+              <layout>p2</layout>
+              <url>https://download.eclipse.org/cbi/updates/p2-aggregator/products/nightly/latest</url>
+            </repository>
+          </repositories>
+          <executionEnvironment>JavaSE-17</executionEnvironment>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+
+  </project>

releng/org.eclipse.tracecompass.aggregation/tracecompass.aggr

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<aggregator:Aggregation xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:aggregator="http://www.eclipse.org/cbi/p2repo/2011/aggregator/1.1.0" label="Trace Compass Aggregation" buildRoot="./target" packedStrategy="SKIP" type="R" mavenResult="true" versionFormat="MavenRelease">
+  <validationSets label="main">
+    <contributions label="Trace Compass TMF">
+      <repositories location="https://download.eclipse.org/tracecompass/releases/10.3.0/repository/">
+        <bundles name="org.eclipse.tracecompass.ctf.core" versionRange="0.1.0"/>
+        <bundles name="org.eclipse.tracecompass.ctf.parser" versionRange="0.1.0"/>
+      </repositories>
+    </contributions>
+    <validationRepositories location="https://download.eclipse.org/releases/2025-03"/>
+  </validationSets>
+  <configurations architecture="x86_64"/>
+  <configurations operatingSystem="linux" windowSystem="gtk" architecture="x86_64"/>
+  <configurations operatingSystem="linux" windowSystem="gtk" architecture="aarch64"/>
+  <configurations operatingSystem="macosx" windowSystem="cocoa" architecture="x86_64"/>
+  <configurations operatingSystem="macosx" windowSystem="cocoa" architecture="aarch64"/>
+</aggregator:Aggregation>

releng/pom.xml

@@ -34,5 +34,6 @@
     <module>org.eclipse.tracecompass.releng-site</module>
     <module>org.eclipse.tracecompass.slf4j.binding.simple.properties</module>
     <module>org.eclipse.tracecompass.testing</module>
+<!--    <module>org.eclipse.tracecompass.aggregation</module> -->
   </modules>
 </project>